Virtually All European Ships Until the Early Nineteenth Century Were

question 18

Multiple Choice

Virtually all European ships until the early nineteenth century were based on early models that combined features of

• A) the Roman-style galley and North Sea ships
• B) clipper ships and Roman-style caravels
• C) North Sea ships and the ocean-crossing caravel
• D) frigates and Roman-style galleons

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Definitions:

G Proteins

A family of proteins that act as molecular switches inside cells, involved in transmitting signals from stimuli outside the cell to its interior.

Alpha Subunits

Components of G-protein coupled receptor complexes involved in transmitting signals from a wide variety of receptors into the interior of the cell.

Sympathetic Nervous System

A part of the autonomic nervous system that serves to accelerate the heart rate, constrict blood vessels, and raise blood pressure, commonly activated in response to stress or fear.

Parasympathetic Nervous System

A division of the autonomic nervous system responsible for conserving energy and promoting a state of calmness and rest.